Compare material, finish, length class, and decimal size equivalents.
Flat-Blade Drill Bits for Wood
Also known as spade bits, these have a centering point and two cutting edges for boring holes in hard and soft wood.
For technical drawings and 3-D models, click on a part number.
| Drill Bit Size | Decimal Size Equivalent | Shank Size | Point Style | Shank Type | Max. Drilling Dp. | Each | |
6" Overall Lg. | |||||||
|---|---|---|---|---|---|---|---|
Inch | |||||||
Uncoated Steel | |||||||
| 1/4" | 0.25" | 1/4" | Standard | Quick-Change Hex | 4 1/2" | 0000000 | 00000 |
| 5/16" | 0.3125" | 1/4" | Standard | Quick-Change Hex | 4 1/2" | 0000000 | 0000 |
| 3/8" | 0.375" | 1/4" | Standard | Quick-Change Hex | 4 1/2" | 0000000 | 0000 |
| 7/16" | 0.4375" | 1/4" | Standard | Quick-Change Hex | 4 1/2" | 0000000 | 0000 |
| 1/2" | 0.5" | 1/4" | Standard | Quick-Change Hex | 4 1/2" | 0000000 | 0000 |
| 9/16" | 0.5625" | 1/4" | Standard | Quick-Change Hex | 4 1/2" | 0000000 | 0000 |
| 5/8" | 0.625" | 1/4" | Standard | Quick-Change Hex | 4 1/2" | 0000000 | 0000 |
| 11/16" | 0.6875" | 1/4" | Standard | Quick-Change Hex | 4 1/2" | 0000000 | 0000 |
| 3/4" | 0.75" | 1/4" | Standard | Quick-Change Hex | 4 1/2" | 0000000 | 0000 |
| 13/16" | 0.8125" | 1/4" | Standard | Quick-Change Hex | 4 1/2" | 0000000 | 0000 |
| 7/8" | 0.875" | 1/4" | Standard | Quick-Change Hex | 4 1/2" | 0000000 | 0000 |
| 15/16" | 0.9375" | 1/4" | Standard | Quick-Change Hex | 4 1/2" | 0000000 | 0000 |
| 1" | 1" | 1/4" | Standard | Quick-Change Hex | 4 1/2" | 0000000 | 0000 |
| 1 1/8" | 1.125" | 1/4" | Standard | Quick-Change Hex | 4 1/2" | 0000000 | 0000 |
| 1 1/4" | 1.25" | 1/4" | Standard | Quick-Change Hex | 4 1/2" | 0000000 | 0000 |
| 1 3/8" | 1.375" | 1/4" | Standard | Quick-Change Hex | 4 1/2" | 0000000 | 0000 |
| 1 1/2" | 1.5" | 1/4" | Standard | Quick-Change Hex | 4 1/2" | 0000000 | 0000 |
16" Overall Lg. | |||||||
Inch | |||||||
Uncoated Steel | |||||||
| 3/8" | 0.375" | 1/4" | Standard | Hex | 14 1/4" | 0000000 | 00000 |
| 1/2" | 0.5" | 1/4" | Standard | Hex | 14 1/4" | 0000000 | 00000 |
| 5/8" | 0.625" | 1/4" | Standard | Hex | 14 1/4" | 0000000 | 00000 |
| 3/4" | 0.75" | 1/4" | Standard | Hex | 14 1/4" | 0000000 | 00000 |
| 7/8" | 0.875" | 1/4" | Standard | Hex | 14 1/4" | 0000000 | 00000 |
| 1" | 1" | 1/4" | Standard | Hex | 14 1/4" | 0000000 | 00000 |
Adjustable-Size Flat-Blade Drill Bits for Wood
Cut a variety of hole sizes with one bit—slide the blade to the desired cutting diameter marked on the bit and then tighten the screw. Bits include two blades, each with a different size range. Use in a drill press; they are not recommended for use with handheld drills. They have a centering point and two cutting edges for boring holes in hard and soft wood. Also known as spade bits.
Flat-Blade Drill Bit Sets for Wood
Also known as spade bits, these have a centering point and two cutting edges for boring holes in hard and soft wood.
For technical drawings and 3-D models, click on a part number.
Clutch Bits
Also known as known as butterfly and Type G bits.
Hex shank bits (also known as insert bits) are used in hand drivers or with a bit adapter in power tools.
Hex shank bits for power tools have a groove in the shank and fit directly into power tools without an adapter. They offer more reach for recessed holes and less wobble compared to a hex shank bit used with an adapter.
| Drive Size | Overall Lg. | Material | Each | |
1/4" Hex Shank Size | ||||
|---|---|---|---|---|
| 3/32" | 1" | Steel | 0000000 | 00000 |
| 1/8" | 1" | Steel | 0000000 | 0000 |
| 5/32" | 1" | Steel | 0000000 | 0000 |
| 3/16" | 1" | Steel | 0000000 | 0000 |
| 1/4" | 1" | Steel | 0000000 | 0000 |
1/4" Hex Shank Size for Power Tools | ||||
| 3/32" | 2" | Steel | 00000000 | 0000 |
| 1/8" | 2" | Steel | 00000000 | 0000 |
| 5/32" | 2" | Steel | 00000000 | 0000 |
| 3/16" | 2" | Steel | 00000000 | 0000 |
| 1/4" | 2" | Steel | 00000000 | 0000 |
Bit Assortments
These assortments contain general-purpose bits.
Hex shank bits (also known as insert bits) are used in hand drivers or with a bit adapter in power tools.
 |  Hex |  Clutch |  Phillips |  Slotted |
 Torx |  Clutch |  Square |  Pozidriv® |
| No. of Pieces | Components Included | Bits Included | Adapters Included | Drive Tools Included | Each | |
1/4" Hex Shank Size—Steel | ||||||
|---|---|---|---|---|---|---|
| 27 | 25 Bits 1 Adapter 1 Drive Tool | Clutch: 1/8", 5/32" (1" O'all Lg.) Hex: 5/64", 3/32", 1/8", 5/32", 3/16" (1" O'all Lg.) Phillips: No. 1, No. 2, No. 3 (1" O'all Lg.) Slotted: 5/32", 11/64", 7/32", 1/4", 9/32" (1" O'all Lg.) Square: No. 0, No. 1, No. 2, No. 3 (1" O'all Lg.) Torx: T10, T15, T20, T25, T30, T40 (1" O'all Lg.) | 2 1/4" Lg. Bit Adapter for Power Tools | 7 3/4" Lg. Bit Screwdriver | 00000000 | 000000 |
| 40 | 37 Bits 2 Adapters 1 Drive Tool | Clutch: 5/32" (1" O'all Lg.)—1 ea. Hex (Inch): 5/64", 3/32", 7/64", 1/8", 9/64" 5/32", 3/16", 7/32", 1/4" (1" O'all Lg.)—1 ea. Hex (Metric): 2.5 mm, 3 mm, 4 mm 5 mm, 6 mm (1" O'all Lg.)—1 ea. Phillips: No. 0, No. 1, No. 2, No. 3 (1" O'all Lg.)—1 ea. Pozidriv®: No. 1, No. 2 (1" O'all Lg.)—1 ea. Slotted: 7/64", 5/32", 7/32" (1" O'all Lg.)—1 ea. Slotted: 9/32" (1" O'all Lg.)—2 ea. Square: No. 0, No. 1, No. 2, No. 3 (1" O'all Lg.)—1 ea. Torx: T10, T15, T20, T25, T27 T30, T40 (1" O'all Lg.)—1 ea. | 1 7/8" Lg. Bit Adapter for Power Tools 1/4" Male Square Drive × 1/4" Hex Shank Adapter | 7 1/2" Lg. Bit Screwdriver | 0000000 | 00000 |
1/4" and 5/16" Hex Shank Size—Steel | ||||||
| 35 | 32 Bits 1 Extension 2 Drive Tools | Clutch 1/4" Hex Shank: 3/32", 1/8", 5/32" 3/16" (1" O'all Lg.) Hex 1/4" Hex Shank: 5/64", 3/32", 7/64", 1/8" 9/64", 7/32", 1/4" (1" O'all Lg.) Hex 5/16" Hex Shank: 5/32", 3/16" (1 1/4" O'all Lg.) Phillips 1/4" Hex Shank: No. 1, No. 2 (1" O'all Lg.) Pozidriv® 1/4" Hex Shank: No. 1, No. 2 (1" O'all Lg.) Slotted 1/4" Hex Shank: 3/16", 1/4", 9/32" (1" O'all Lg.) Square 1/4" Hex Shank: No. 1, No. 2, No. 3 (1" O'all Lg.) Torx 1/4" Hex Shank: T10, T15, T20, T25, T27 Torx 5/16" Hex Shank: T40, T45, T50 (1 1/4" O'all Lg.) T30 (1" O'all Lg.) | __ | 5 3/8" Lg. Angled Tight-Clearance Ratcheting Bit Screwdriver 5 1/2" Lg. Tight-Clearance Ratcheting Bit Screwdriver | 00000000 | 000000 |